At 2:02 p.m., he started gasping. For the next hour and a half, the man would cough and struggle to breathe until finally, mercifully – for the witnesses, at least -- he was at last pronounced dead at 3:49 p.m.

Fox 10's Troy Hayden watched what was supposed to be a 10-minute ordeal. He described it as "very disturbing to watch … like a fish on shore gulping for air."

At times like this, when Arizona exercises its power to kill a human being, I always try to remember the ones who died at the killer's hand, the ones who didn't have the ability to appeal to every court in the land. The ones largely forgotten.